They were to dock at the International Space Station six hours later, but the booster suffered engine failure minutes after the launch.

NASA said it has been informed by Russian space officials that the crew has made an emergency landing at an unspecified location in Kazakhstan and is in good condition. Search and rescue crews are heading to the landing site.

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3 p.m.

Two astronauts from the U.S. and Russia are making an emergency landing after a Russian booster rocket carrying them into orbit to the International Space Station has failed after launch.

They were to dock at the orbiting outpost six hours later, but the booster suffered a failure minutes after the launch.

Russian and U.S. space officials said that the crew is heading for an emergency landing in Kazakhstan at an unspecified time. Search and rescue crews are getting ready to reach the expected landing site.

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2:50 p.m.

A duo of astronauts from the U.S. and Russia has blasted off for a mission on the International Space Station.

It's the first space mission for Hague, who joined NASA's astronaut corps in 2013. Ovchinin spent six months on the station in 2016.

Relations between Moscow and Washington have sunk to post-Cold War lows over the crisis in Ukraine, the war in Syria and allegations of Russian meddling in the 2016 U.S. presidential vote, but Russia and the U.S. have maintained cooperation in space.